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Structural and VUV luminescent properties of NaGdF4 : Eu3+
其他题名NaGdF4 : Eu3+的结构和VUV荧光性质
You, FT; Wang, YX; Lin, JH; Tao, Y; Tao Y(陶冶)
2001
发表期刊CHINESE JOURNAL OF INORGANIC CHEMISTRY
卷号17期号:1页码:#REF!
通讯作者You, FT (reprint author), Peking Univ, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China.
文章类型Article
摘要Hexagonal NaGdF4 was prepared by hydrothermal synthesis, which converts to the fluorite structure by heating at 950 degreesC in air. However, the structure does not change after heat treatment at 950 degreesC in argon atmosphere, indicating that oxygen atoms place a role in the structure transformation. The Eu3+ eloped hexagonal NaGdF4 shows quantum cutting effect that involves two visible emission photons for each vacuum ultraviolet photon absorbed. Upon VUV excitation to the (6)G(J) level of Gd3+, two red photons are emitted by Eu3+ through an efficient two-step energy transfer process. The quantum efficiency of this material is about 160%. Cubic NaGdF4 contains considerable amount of oxygen impurity, so that the 4f - 5d transition moves to lower energy( 177nm), which fits the energy of the VUV photons from discharge of inert gas.
关键词rare earth fluorides vacuum ultraviolet(VUV) quantum cutting
学科领域Chemistry
收录类别SCI
WOS类目Chemistry, Inorganic & Nuclear
WOS记录号WOS:000166437800004
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225590
专题多学科研究中心
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GB/T 7714
You, FT,Wang, YX,Lin, JH,et al. Structural and VUV luminescent properties of NaGdF4 : Eu3+[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2001,17(1):#REF!.
APA You, FT,Wang, YX,Lin, JH,Tao, Y,&陶冶.(2001).Structural and VUV luminescent properties of NaGdF4 : Eu3+.CHINESE JOURNAL OF INORGANIC CHEMISTRY,17(1),#REF!.
MLA You, FT,et al."Structural and VUV luminescent properties of NaGdF4 : Eu3+".CHINESE JOURNAL OF INORGANIC CHEMISTRY 17.1(2001):#REF!.
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